As has been the case with many of the Kentucky underground mine breakthroughs described in KRC's July 4, 2003 letter to Secretaries Norton and Chao calling for reforms in mapping and identifying abandoned underground mine workings, the Quecreek No. 1 Mine was not required to drill in advance of the active mine workings at the time of the inadvertent breakthrough because, based on faulty maps, the old works were assumed to be a safe distance away.
To read the full Quecreek Mine report and 26 recommendations for reform, go to www.state.pa.us and enter keyword "DEP Quecreek."
To read the text of KRC's July 4 letter to Secretaries Norton and Chao.